[tox] Add a "docs" environment

We use python2 since building the documentation with python3 does not
work at the moment.

1 files changed, 7 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index 0bcfe52..6d6de3d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,3 +7,10 @@ deps =
   py27: egenix-mx-base
 commands=
   logilab-pytest -t test {posargs}
+
+[testenv:docs]
+basepython = python2
+deps =
+  -r docs/requirements-doc.txt
+commands=
+  {envpython} -m sphinx -b html {toxinidir}/docs {toxinidir}/docs/_build/html {posargs}